Base | Representation |
---|---|
bin | 10110110000001… |
… | …11010110111010 |
3 | 111022011020202012 |
4 | 23120013112322 |
5 | 342330332340 |
6 | 30535005522 |
7 | 4505243063 |
oct | 1330072672 |
9 | 438136665 |
10 | 190870970 |
11 | 98818204 |
12 | 53b098a2 |
13 | 3070c004 |
14 | 1b4c756a |
15 | 11b54565 |
hex | b6075ba |
190870970 has 8 divisors (see below), whose sum is σ = 343567764. Its totient is φ = 76348384.
The previous prime is 190870969. The next prime is 190870973. The reversal of 190870970 is 79078091.
190870970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 190136521 + 734449 = 13789^2 + 857^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (190870973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9543539 + ... + 9543558.
Almost surely, 2190870970 is an apocalyptic number.
190870970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
190870970 is a deficient number, since it is larger than the sum of its proper divisors (152696794).
190870970 is a wasteful number, since it uses less digits than its factorization.
190870970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19087104.
The product of its (nonzero) digits is 31752, while the sum is 41.
The square root of 190870970 is about 13815.6060308623. The cubic root of 190870970 is about 575.7668105878.
The spelling of 190870970 in words is "one hundred ninety million, eight hundred seventy thousand, nine hundred seventy".
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